Horizon T101 Review: A Sensible Folding Treadmill for Walkers and Joggers

The Horizon T101 is the entry point to Horizon Fitness's UK treadmill range, and it's one of the most widely recommended folding treadmills sold here. Our verdict up front: it's a solid, quiet, easy machine for walking, incline walking and steady jogging, backed by a brand with a real UK support operation. It isn't a runner's treadmill, though. The 140 x 50cm deck and 2.5HP motor set a ceiling that keen runners will hit quickly.

At around £699 at the time of writing, you're paying a little more than budget brands charge for similar headline numbers. What the extra buys is build quality, a well-damped deck and the peace of mind of buying from Johnson Health Tech, the group behind Horizon and Matrix, which runs UK service from its own base rather than through a third-party importer.

Who it's for

The T101 suits people who mostly walk, want some hill work and might jog a few times a week. Think of the remote worker getting steps in between calls, the beginner working through Couch to 5K, or the person who used to run outdoors and now wants an easy indoor option on dark winter evenings. It also suits anyone who has been burned by a cheap treadmill with no after-sales support and wants a known brand this time.

It's a poorer fit if you're over about 6ft and run at pace, train for half marathons on it, or weigh close to the 125kg limit. For those people, the extra money on a longer deck and bigger motor is well spent.

Check price on Amazon£699.00

Key specifications

All figures come from Horizon's UK product specification page (archived copy, since Johnson Fitness UK no longer lists the new T101 on its own store) and match the dimensions on the current Amazon UK listing.

Build and deck

The T101 feels like a proper treadmill rather than a big walking pad. The steel frame is substantial, which partly explains the 82kg weight. Horizon describes the deck as a 3-zone cushioned design, softer where you land and firmer where you push off. Owner feedback on comfort is generally positive, and a forgiving deck is exactly what you want for long walks and easy runs.

The 140 x 50cm running area is the main compromise. For walking it's ample. For jogging at moderate pace most people of average height will be fine. Once you open your stride, though, 140cm gets tight, and 50cm of width leaves less margin for drifting sideways when you're tired. The Sole F80 gives you 152.5 x 56cm, which is a different experience at running speed.

Folding uses a hydraulic assist, so the deck lifts and lowers under control. That's a genuine safety and convenience point if you'll fold it daily. Bear in mind that folded height is 154cm, and the 116 x 85cm folded footprint still needs a clear corner.

Motor and performance

Horizon rates the drive motor at 2.5HP and says it recalibrates with each footstrike to avoid lag and surging. What it doesn't publish is a continuous duty (CHP) rating, which is the more useful number for judging how a motor copes with sustained load. That's not a red flag on its own, but it means you can't compare it like for like with the 2.6 CHP NordicTrack T Series or the 3.5HP continuous motor in the Sole F80.

For walking, incline walking and jogging up to around 10 to 12km/h, the motor has plenty in hand. Brisk walking at 5 to 6km/h on 8 to 10% incline is where the T101 is at its best: quiet, smooth and a very effective low-impact workout. The 16km/h top speed is a 6:00 per mile pace (3:45 per km), which covers most recreational runners, but you'll be near the motor's upper range for faster intervals. If that's your main use, look higher up the range.

The powered incline tops out at 10%, which is enough for meaningful hill walking. There's also a practical tip for runners: a slight incline helps replace the missing air resistance indoors. A study of trained runners found a 1% treadmill gradient most closely matched the energy cost of outdoor running at speeds of roughly 10.5 to 18km/h, so setting the T101 to 1% for your easy runs is a sensible default.

Console, app and connectivity

The console is deliberately simple. You get one-touch speed and incline keys plus Horizon's EasyDial controls, a device holder, a USB charging port and Bluetooth speakers. There's no touchscreen and no Horizon subscription platform on this model.

Connectivity comes through Bluetooth 4.0 FTMS. That's the open fitness machine standard, so apps that support FTMS treadmills, such as Zwift and Kinomap, can read your speed and incline. It works well enough, but it does mean the smart features depend entirely on your own phone or tablet and on paying for someone else's app. Basic machines like the NordicTrack T Series lean on iFIT in a similar way, so this isn't unusual at the price.

Assembly is one of the T101's strengths. Horizon quotes setup in 30 minutes or fewer. At over 80kg, you'll still want two people to move the box.

Warranty and support

This is the T101's biggest advantage over budget brands. Johnson Fitness UK listed the T101 with a 2-year parts and labour home warranty, and its current UK warranty summary gives Horizon equipment a 3-year motor warranty and a lifetime frame warranty where applicable. There's a UK phone line and a parts operation behind it, which matters more than any spec sheet number when a belt or a sensor fails in year two.

That said, the NordicTrack T Series offers a 10-year motor warranty at a similar price when registered, and the Reebok GT40z carries a 10-year motor warranty for less money. Horizon's terms are good, not class-leading. Confirm what applies to the Amazon unit with the seller before you buy.

Check price on Amazon£699.00

Drawbacks to weigh up

• Runners will outgrow it. The short deck and modest motor make it a walking and jogging machine first.
• No CHP figure. Horizon's 2.5HP rating can't be compared directly with continuous-duty ratings from rivals.
• Smart features cost extra. Anything beyond the console basics runs through third-party apps and subscriptions.
• Price versus spec. Budget brands quote bigger numbers for less. You're paying for build and support, which is a fair trade, but it's still a trade.

Alternatives

If you want the safest mainstream choice at a similar price, the NordicTrack T Series matches the T101's 140cm length, adds a 2.6 CHP motor and a 10-year motor warranty, and bundles iFIT compatibility.

For a cheaper machine with a faster top speed, the Reebok GT40z reaches 18km/h and has a 10-year motor warranty at around £549, though its 110kg user limit is lower.

If you're a real runner, skip this tier and look at the Sole F80. It costs far more, but the 152.5cm deck, 3.5HP motor and 20km/h top speed are built for regular hard running.

For more options, browse our best treadmill under £1,000 guide or the full treadmills hub.

Recommended reads

• NordicTrack T Series treadmill review
• Reebok GT40z treadmill review
• Sole F80 treadmill review
• Best treadmill under £1,000
• All treadmill reviews and guides